Obligatory Adderall Shit. This phenomenon occurs approximately between 30 minutes and 2 hours after the consumption of Adderall. OAS' usually comes out of nowhere and require immediate location of a restroom.

Large, beautiful breasts that are keep well consealed and initially appear to be much smaller and less impressive than they actually are until unleashed.

abbreviation of Old Ass SHIT! O-ld A-ss S-hit
When someone has a bunch of junk lying around collecting dust and broken they have OAS.

The most amazing vehicle license plate coming from the Utah Region. The word is known to harness mystical powers that can turn the saddest day into the happiest should you gaze upon the license plate which contains these three letters.
Also sounds extraordinarily close to the name Pam.

OAS, also known as Obsessed with Apple Syndrome, is a common disease that hits most teenage boys whenever Apple releases a new product. This obsession often hinders their quality of life, to the point where they fantasize about Steve Jobs.

Organization of American States

some organization that America made so nobody invades anyone
that includes Ecuador trying to get its pre-ww2 land back
or South America trying to fuck brazil over again